﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using Demo.Mmose.Core.Util;

namespace Demo.Mmose.Core.Common.Atom
{
    public class AtomicUint : IAtomOperator<uint>, IComparable, IComparable<AtomicUint>
    {
        #region zh-CHS 构造和初始化和清理 | en Constructors and Initializers and Dispose
        /// <summary>
        /// 
        /// </summary>
        private AtomicUint()
        {
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="atomicUint"></param>
        private AtomicUint( uint atomicUint )
        {
            m_AtomicUint = atomicUint;
        }
        #endregion

        #region zh-CHS 属性 | en Properties
        #region zh-CHS 私有成员变量 | en Private Member Variables
        /// <summary>
        /// 
        /// </summary>
        private long m_AtomicUint = 0;
        #endregion
        /// <summary>
        /// 
        /// </summary>
        public uint Value
        {
            get { return (uint)m_AtomicUint; }
        }
        #endregion

        #region zh-CHS 接口实现 | en Interface Implementation
        /// <summary>
        /// 以原子方式将给定值与当前值相加。
        /// </summary>
        /// <param name="addValue"></param>
        /// <returns></returns>
        public void Add( uint addValue )
        {
            Interlocked.Add( ref m_AtomicUint, addValue );
        }

        /// <summary>
        /// 以原子方式将给定值与当前值相减。
        /// </summary>
        /// <param name="subtractValue"></param>
        /// <returns></returns>
        public void Subtract( uint subtractValue )
        {
            Interlocked.Add( ref m_AtomicUint, - subtractValue );
        }

        /// <summary>
        /// 以原子方式将给定值与当前值相乘。
        /// </summary>
        /// <param name="multiplyValue"></param>
        /// <returns></returns>
        public void Multiply( uint multiplyValue )
        {
            long oldAtomicUint;
            long newAtomicUint;

            do
            {
                oldAtomicUint = (uint)m_AtomicUint;
                newAtomicUint = (uint)m_AtomicUint * multiplyValue;

            } while ( Interlocked.CompareExchange( ref m_AtomicUint, newAtomicUint, oldAtomicUint ) != oldAtomicUint );
        }

        /// <summary>
        /// 以原子方式将给定值与当前值相除。
        /// </summary>
        /// <param name="divideValue"></param>
        /// <returns></returns>
        public void Divide( uint divideValue )
        {
            long oldAtomicUint;
            long newAtomicUint;

            do
            {
                oldAtomicUint = (uint)m_AtomicUint;
                newAtomicUint = (uint)m_AtomicUint / divideValue;

            } while ( Interlocked.CompareExchange( ref m_AtomicUint, newAtomicUint, oldAtomicUint ) != oldAtomicUint );
        }

        /// <summary>
        /// 以原子方式设置为给定值。
        /// </summary>
        /// <param name="assignmentValue"></param>
        /// <returns></returns>
        public void Assignment( uint assignmentValue )
        {
            long oldAtomicUint;
            long newAtomicUint;

            do
            {
                oldAtomicUint = (uint)m_AtomicUint;
                newAtomicUint = assignmentValue;

            } while ( Interlocked.CompareExchange( ref m_AtomicUint, newAtomicUint, oldAtomicUint ) != oldAtomicUint );
        }

        /// <summary>
        /// 如果当前值 == 预期值，则以原子方式将该值设置为给定的更新值。
        /// </summary>
        /// <param name="setValue"></param>
        /// <param name="compareValue"></param>
        /// <returns></returns>
        public bool CompareExchange( uint setValue, uint compareValue )
        {
            return Interlocked.CompareExchange( ref m_AtomicUint, setValue, compareValue ) == compareValue;
        }

        /// <summary>
        /// 以原子方式将当前值减 1 ( -- )
        /// </summary>
        /// <returns></returns>
        public void Decrement()
        {
            Interlocked.Decrement( ref m_AtomicUint );
        }

        /// <summary>
        /// 以原子方式将当前值加 1 ( ++ )
        /// </summary>
        /// <returns></returns>
        public void Increment()
        {
            Interlocked.Increment( ref m_AtomicUint );
        }

        /// <summary>
        /// 以原子方式将当前值左移 ( << )
        /// </summary>
        /// <returns></returns>
        public void LeftShift( int leftShift )
        {
            long oldAtomicUint;
            long newAtomicUint;

            do
            {
                oldAtomicUint = (uint)m_AtomicUint;
                newAtomicUint = (uint)m_AtomicUint << leftShift;

            } while ( Interlocked.CompareExchange( ref m_AtomicUint, newAtomicUint, oldAtomicUint ) != oldAtomicUint );
        }

        /// <summary>
        /// 以原子方式将当前值右移 ( >> )
        /// </summary>
        /// <returns></returns>
        public void RightShift( int rightShift )
        {
            long oldAtomicUint;
            long newAtomicUint;

            do
            {
                oldAtomicUint = (uint)m_AtomicUint;
                newAtomicUint = (uint)m_AtomicUint >> rightShift;

            } while ( Interlocked.CompareExchange( ref m_AtomicUint, newAtomicUint, oldAtomicUint ) != oldAtomicUint );
        }

        /// <summary>
        /// 以原子方式将当前值求正(一元操作) ( + )
        /// </summary>
        /// <param name="addValue"></param>
        /// <returns></returns>
        public void Plus()
        {
            // 不用执行，本来就是正值
        }

        /// <summary>
        /// 以原子方式将当前值求负(一元操作) ( - )
        /// </summary>
        /// <param name="addValue"></param>
        /// <returns></returns>
        public void Minus()
        {
            throw new NotSupportedException();
        }

        /// <summary>
        /// 以原子方式将当前值取反(一元操作) ( ! )
        /// </summary>
        /// <param name="addValue"></param>
        /// <returns></returns>
        public void Invert()
        {
            throw new NotSupportedException();
        }

        /// <summary>
        /// 以原子方式将当前值求补 ( ~ )
        /// </summary>
        /// <returns></returns>
        public void OneComplement()
        {
            long oldAtomicUint;
            long newAtomicUint;

            do
            {
                oldAtomicUint = (uint)m_AtomicUint;
                newAtomicUint = ~(uint)m_AtomicUint;

            } while ( Interlocked.CompareExchange( ref m_AtomicUint, newAtomicUint, oldAtomicUint ) != oldAtomicUint );
        }

        /// <summary>
        /// 以原子方式将当前值按位与 ( &= )
        /// </summary>
        /// <returns></returns>
        public void BitwiseAND( uint bitwiseAnd )
        {
            long oldAtomicUint;
            long newAtomicUint;

            do
            {
                oldAtomicUint = (uint)m_AtomicUint;
                newAtomicUint = (uint)m_AtomicUint & bitwiseAnd;

            } while ( Interlocked.CompareExchange( ref m_AtomicUint, newAtomicUint, oldAtomicUint ) != oldAtomicUint );
        }

        /// <summary>
        /// 以原子方式将当前值按位或 ( |= )
        /// </summary>
        /// <returns></returns>
        public void BitwiseInclusiveOR( uint inclusiveOR )
        {
            long oldAtomicUint;
            long newAtomicUint;

            do
            {
                oldAtomicUint = (uint)m_AtomicUint;
                newAtomicUint = (uint)m_AtomicUint | inclusiveOR;

            } while ( Interlocked.CompareExchange( ref m_AtomicUint, newAtomicUint, oldAtomicUint ) != oldAtomicUint );
        }

        /// <summary>
        /// 以原子方式将当前值按位异或 ( ^= )
        /// </summary>
        /// <returns></returns>
        public void BitwiseExclusiveOR( uint exclusiveOR )
        {
            long oldAtomicUint;
            long newAtomicUint;

            do
            {
                oldAtomicUint = (uint)m_AtomicUint;
                newAtomicUint = (uint)m_AtomicUint ^ exclusiveOR;

            } while ( Interlocked.CompareExchange( ref m_AtomicUint, newAtomicUint, oldAtomicUint ) != oldAtomicUint );
        }
        #endregion

        #region zh-CHS 共有委托 | en Public Delegate
        #region zh-CHS 私有成员变量 | en Private Member Variables
        /// <summary>
        /// 
        /// </summary>
        private EventHandler<UpdatingValue<uint>> m_EventUpdatingValue;
        /// <summary>
        /// 
        /// </summary>
        private SpinLock m_LockEventUpdating = new SpinLock();
        #endregion
        /// <summary>
        /// 
        /// </summary>
        public event EventHandler<UpdatingValue<uint>> UpdatingValue
        {
            add
            {
                SpinLockEx.ReliableEnter( ref m_LockEventUpdating );
                {
                    m_EventUpdatingValue += value;
                }
                m_LockEventUpdating.Exit();
            }
            remove
            {
                SpinLockEx.ReliableEnter( ref m_LockEventUpdating );
                {
                    m_EventUpdatingValue -= value;
                }
                m_LockEventUpdating.Exit();
            }
        }

        #region zh-CHS 私有成员变量 | en Private Member Variables
        /// <summary>
        /// 
        /// </summary>
        private EventHandler<UpdatedValue<uint>> m_EventUpdatedValue;
        /// <summary>
        /// 
        /// </summary>
        private SpinLock m_LockEventUpdated = new SpinLock();
        #endregion
        /// <summary>
        /// 
        /// </summary>
        public event EventHandler<UpdatedValue<uint>> UpdatedValue
        {
            add
            {
                SpinLockEx.ReliableEnter( ref m_LockEventUpdated );
                {
                    m_EventUpdatedValue += value;
                }
                m_LockEventUpdated.Exit();
            }
            remove
            {
                SpinLockEx.ReliableEnter( ref m_LockEventUpdated );
                {
                    m_EventUpdatedValue -= value;
                }
                m_LockEventUpdated.Exit();
            }
        }
        #endregion

        #region zh-CHS 方法 | en Method
        /// <summary>
        /// 将当前值左移 ( << )，并返回左移后的数据
        /// </summary>
        /// <param name="atomicUintA"></param>
        /// <param name="atomicUintB"></param>
        /// <returns></returns>
        public static AtomicUint operator >>( AtomicUint atomicUintA, int atomicUintB )
        {
            return new AtomicUint( (uint)atomicUintA.m_AtomicUint >> atomicUintB );
        }

        /// <summary>
        /// 将当前值右移 ( >> )，并返回右移后的数据
        /// </summary>
        /// <param name="atomicUintA"></param>
        /// <param name="atomicUintB"></param>
        /// <returns></returns>
        public static AtomicUint operator <<( AtomicUint atomicUintA, int atomicUintB )
        {
            return new AtomicUint( (uint)atomicUintA.m_AtomicUint << atomicUintB );
        }

        /// <summary>
        /// 将给定值与当前值相加，并返回相加后的数据
        /// </summary>
        /// <param name="atomicUintA"></param>
        /// <param name="atomicUintB"></param>
        /// <returns></returns>
        public static AtomicUint operator +( AtomicUint atomicUintA, uint atomicUintB )
        {
            return new AtomicUint( (uint)atomicUintA.m_AtomicUint + atomicUintB );
        }

        /// <summary>
        /// 将给定值与当前值相加，并返回相加后的数据
        /// </summary>
        /// <param name="atomicUintA"></param>
        /// <param name="atomicUintB"></param>
        /// <returns></returns>
        public static AtomicUint operator +( AtomicUint atomicUintA, AtomicUint atomicUintB )
        {
            return new AtomicUint( (uint)atomicUintA.m_AtomicUint + (uint)atomicUintB.m_AtomicUint );
        }

        /// <summary>
        /// 将给定值与当前值相减，并返回相减后的数据
        /// </summary>
        /// <param name="atomicUintA"></param>
        /// <param name="atomicUintB"></param>
        /// <returns></returns>
        public static AtomicUint operator -( AtomicUint atomicUintA, uint atomicUintB )
        {
            return new AtomicUint( (uint)atomicUintA.m_AtomicUint - atomicUintB );
        }

        /// <summary>
        /// 将给定值与当前值相减，并返回相减后的数据
        /// </summary>
        /// <param name="atomicUintA"></param>
        /// <param name="atomicUintB"></param>
        /// <returns></returns>
        public static AtomicUint operator -( AtomicUint atomicUintA, AtomicUint atomicUintB )
        {
            return new AtomicUint( (uint)atomicUintA.m_AtomicUint - (uint)atomicUintB.m_AtomicUint );
        }

        /// <summary>
        /// 将给定值与当前值相乘，并返回相乘后的数据
        /// </summary>
        /// <param name="atomicUintA"></param>
        /// <param name="atomicUintB"></param>
        /// <returns></returns>
        public static AtomicUint operator *( AtomicUint atomicUintA, uint atomicUintB )
        {
            return new AtomicUint( (uint)atomicUintA.m_AtomicUint * atomicUintB );
        }

        /// <summary>
        /// 将给定值与当前值相乘，并返回相乘后的数据
        /// </summary>
        /// <param name="atomicUintA"></param>
        /// <param name="atomicUintB"></param>
        /// <returns></returns>
        public static AtomicUint operator *( AtomicUint atomicUintA, AtomicUint atomicUintB )
        {
            return new AtomicUint( (uint)atomicUintA.m_AtomicUint * (uint)atomicUintB.m_AtomicUint );
        }

        /// <summary>
        /// 将当前值与给定值相除，并返回相除后的数据
        /// </summary>
        /// <param name="atomicUintA"></param>
        /// <param name="atomicUintB"></param>
        /// <returns></returns>
        public static AtomicUint operator /( AtomicUint atomicUintA, uint atomicUintB )
        {
            return new AtomicUint( (uint)atomicUintA.m_AtomicUint / atomicUintB );
        }

        /// <summary>
        /// 将当前值与给定值相除，并返回相除后的数据
        /// </summary>
        /// <param name="atomicUintA"></param>
        /// <param name="atomicUintB"></param>
        /// <returns></returns>
        public static AtomicUint operator /( AtomicUint atomicUintA, AtomicUint atomicUintB )
        {
            return new AtomicUint( (uint)atomicUintA.m_AtomicUint / (uint)atomicUintB.m_AtomicUint );
        }

        /// <summary>
        /// 将当前值与给定值相模，并返回相模后的数据
        /// </summary>
        /// <param name="atomicUintA"></param>
        /// <param name="atomicUintB"></param>
        /// <returns></returns>
        public static AtomicUint operator %( AtomicUint atomicUintA, uint atomicUintB )
        {
            return new AtomicUint( (uint)atomicUintA.m_AtomicUint % atomicUintB );
        }

        /// <summary>
        /// 将当前值与给定值相模，并返回相模后的数据
        /// </summary>
        /// <param name="atomicUintA"></param>
        /// <param name="atomicUintB"></param>
        /// <returns></returns>
        public static AtomicUint operator %( AtomicUint atomicUintA, AtomicUint atomicUintB )
        {
            return new AtomicUint( (uint)atomicUintA.m_AtomicUint % (uint)atomicUintB.m_AtomicUint );
        }

        /// <summary>
        /// 将当前值与给定值相与，并返回相与后的数据
        /// </summary>
        /// <param name="atomicUintA"></param>
        /// <param name="atomicUintB"></param>
        /// <returns></returns>
        public static AtomicUint operator &( AtomicUint atomicUintA, uint atomicUintB )
        {
            return new AtomicUint( (uint)atomicUintA.m_AtomicUint & atomicUintB );
        }

        /// <summary>
        /// 将当前值与给定值相与，并返回相与后的数据
        /// </summary>
        /// <param name="atomicUintA"></param>
        /// <param name="atomicUintB"></param>
        /// <returns></returns>
        public static AtomicUint operator &( AtomicUint atomicUintA, AtomicUint atomicUintB )
        {
            return new AtomicUint( (uint)atomicUintA.m_AtomicUint & (uint)atomicUintB.m_AtomicUint );
        }

        /// <summary>
        /// 将当前值与给定值相或，并返回相或后的数据
        /// </summary>
        /// <param name="atomicUintA"></param>
        /// <param name="atomicUintB"></param>
        /// <returns></returns>
        public static AtomicUint operator |( AtomicUint atomicUintA, uint atomicUintB )
        {
            return new AtomicUint( (uint)atomicUintA.m_AtomicUint | atomicUintB );
        }

        /// <summary>
        /// 将当前值与给定值相或，并返回相或后的数据
        /// </summary>
        /// <param name="atomicUintA"></param>
        /// <param name="atomicUintB"></param>
        /// <returns></returns>
        public static AtomicUint operator |( AtomicUint atomicUintA, AtomicUint atomicUintB )
        {
            return new AtomicUint( (uint)atomicUintA.m_AtomicUint | (uint)atomicUintB.m_AtomicUint );
        }

        /// <summary>
        /// 将当前值与给定值相异或，并返回相异或后的数据
        /// </summary>
        /// <param name="atomicUintA"></param>
        /// <param name="atomicUintB"></param>
        /// <returns></returns>
        public static AtomicUint operator ^( AtomicUint atomicUintA, uint atomicUintB )
        {
            return new AtomicUint( (uint)atomicUintA.m_AtomicUint ^ atomicUintB );
        }

        /// <summary>
        /// 将当前值与给定值相异或，并返回相异或后的数据
        /// </summary>
        /// <param name="atomicUintA"></param>
        /// <param name="atomicUintB"></param>
        /// <returns></returns>
        public static AtomicUint operator ^( AtomicUint atomicUintA, AtomicUint atomicUintB )
        {
            return new AtomicUint( (uint)atomicUintA.m_AtomicUint ^ (uint)atomicUintB.m_AtomicUint );
        }

        /// <summary>
        /// 将当前值求补，并返回求补后的数据
        /// </summary>
        /// <param name="atomicUintA"></param>
        /// <returns></returns>
        public static AtomicUint operator ~( AtomicUint atomicUint )
        {
            return new AtomicUint( ~(uint)atomicUint.m_AtomicUint );
        }

        /// <summary>
        /// 以原子方式将当前值加 1 ( ++ )
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static AtomicUint operator ++( AtomicUint atomicUint )
        {
            atomicUint.Increment();

            return atomicUint;
        }

        /// <summary>
        /// 以原子方式将当前值减 1 ( -- )
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static AtomicUint operator --( AtomicUint atomicUint )
        {
            atomicUint.Decrement();

            return atomicUint;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static bool operator ==( AtomicUint atomicUintA, AtomicUint atomicUintB )
        {
            return (uint)atomicUintA.m_AtomicUint == (uint)atomicUintB.m_AtomicUint;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static bool operator ==( AtomicUint atomicUintA, uint atomicUintB )
        {
            return (uint)atomicUintA.m_AtomicUint == atomicUintB;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static bool operator !=( AtomicUint atomicUintA, AtomicUint atomicUintB )
        {
            return (uint)atomicUintA.m_AtomicUint != (uint)atomicUintB.m_AtomicUint;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static bool operator !=( AtomicUint atomicUintA, uint atomicUintB )
        {
            return (uint)atomicUintA.m_AtomicUint != atomicUintB;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static bool operator <( AtomicUint atomicUintA, AtomicUint atomicUintB )
        {
            return (uint)atomicUintA.m_AtomicUint < (uint)atomicUintB.m_AtomicUint;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static bool operator <( AtomicUint atomicUintA, uint atomicUintB )
        {
            return (uint)atomicUintA.m_AtomicUint < atomicUintB;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static bool operator >( AtomicUint atomicUintA, AtomicUint atomicUintB )
        {
            return (uint)atomicUintA.m_AtomicUint > (uint)atomicUintB.m_AtomicUint;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static bool operator >( AtomicUint atomicUintA, uint atomicUintB )
        {
            return (uint)atomicUintA.m_AtomicUint > atomicUintB;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static bool operator <=( AtomicUint atomicUintA, AtomicUint atomicUintB )
        {
            return (uint)atomicUintA.m_AtomicUint <= (uint)atomicUintB.m_AtomicUint;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static bool operator <=( AtomicUint atomicUintA, uint atomicUintB )
        {
            return (uint)atomicUintA.m_AtomicUint <= atomicUintB;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static bool operator >=( AtomicUint atomicUintA, AtomicUint atomicUintB )
        {
            return (uint)atomicUintA.m_AtomicUint >= (uint)atomicUintB.m_AtomicUint;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="l"></param>
        /// <param name="r"></param>
        /// <returns></returns>
        public static bool operator >=( AtomicUint atomicUintA, uint atomicUintB )
        {
            return (uint)atomicUintA.m_AtomicUint >= atomicUintB;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="iSerial"></param>
        /// <returns></returns>
        public static explicit operator uint( AtomicUint atomicUint )
        {
            return (uint)atomicUint.m_AtomicUint;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="atomicUint"></param>
        /// <returns></returns>
        public static implicit operator AtomicUint( uint atomicUint )
        {
            return new AtomicUint( atomicUint );
        }
        #endregion

        #region zh-CHS 方法覆盖 | en Method Overrides
        /// <summary>
        /// 
        /// </summary>
        /// <returns></returns>
        public override string ToString()
        {
            return m_AtomicUint.ToString();
        }

        /// <summary>
        /// 
        /// </summary>
        /// <returns></returns>
        public override int GetHashCode()
        {
            return m_AtomicUint.GetHashCode();
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="xObject"></param>
        /// <returns></returns>
        public override bool Equals( object xObject )
        {
            AtomicUint atomicUint = xObject as AtomicUint;
            if ( atomicUint == null )
                return false;

            return (uint)atomicUint.m_AtomicUint == (uint)m_AtomicUint;
        }
        #endregion

        #region zh-CHS 接口实现 | en Interface Implementation
        /// <summary>
        /// 
        /// </summary>
        /// <param name="otherAtomicInt"></param>
        /// <returns></returns>
        public int CompareTo( AtomicUint otherAtomicInt )
        {
            return ( (uint)m_AtomicUint ).CompareTo( (uint)otherAtomicInt.m_AtomicUint );
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="otherObject"></param>
        /// <returns></returns>
        public int CompareTo( object otherObject )
        {
            AtomicUint atomicUint = otherObject as AtomicUint;
            if ( atomicUint == null )
                return 1;
            else
                return CompareTo( atomicUint );
        }
        #endregion
    }
}
